package com.young.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    /**
     * 链式编程
     * 授权
     */
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        //首页所有人可以访问,功能页只有对应权限的人才可以访问
        //请求授权的规则
        http.authorizeRequests()
                .antMatchers("/").permitAll()
                .antMatchers("/level1/**").hasRole("vip1")
                .antMatchers("level2/**").hasRole("vip2").
                antMatchers("/level3/**").hasRole("vip3");

        //没有权限默认回到登录页面,需要开启登录的页面
        http.formLogin().loginPage("/toLogin").loginProcessingUrl("/login");

        //开启注销功能
        http.csrf().disable();
        http.logout().logoutSuccessUrl("/");

        //开启记住我功能,cookie默认保存14天
        http.rememberMe().rememberMeParameter("remember");

    }

    /**
     * 认证
     * 密码编码:PasswordEncoder
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        //这些数据正常应该从数据库中读
        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("young").password(new BCryptPasswordEncoder().encode("123456")).roles("vip2", "vip3")
                .and()
                .withUser("root").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1", "vip2", "vip3")
                .and()
                .withUser("guest").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1");
    }
}